Coding tests catalog

PHP
SENIOR
Tested skills
Duration
88 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, ES6, JavaScript, AJAX, Web development

Programming task - Level: Hard

PHP | XML-CSV Converter - Implement filtering and data transformation methods to pass all the tests.

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HTML
SENIOR
Tested skills
Duration
133 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of AJAX, JavaScript, Web development, ES6, Typescript, CSS, HTML

Programming task - Level: Hard

JavaScript | Social Media Queries | Find friends by name - Implement a function to find user's friends by their name.

Programming task - Level: Hard

CSS/HTML - Flexbox navigation bar - Complete CSS definition and use Flexbox to layout components.

Available in premium plans

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PHP
JUNIOR
Tested skills
Duration
41 minutes max.
Evaluation
Automatic
Test overview

Code gaps

assessing knowledge of SQL, CSS, HTML

Choice questions

assessing knowledge of JavaScript

Programming task - Level: Easy

PHP | Faker | Basic data manipulation - Implement all the methods in the app/Faker class.

Available in premium plans

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MIDDLE
Tested skills
Duration
70 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning, Python

Programming task - Level: Medium

Python | DNA Analyzer | Create and clean DNA strands - Implement 2 methods in Python that create and clean DNA strands.

Available in premium plans

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Python
MIDDLE
Tested skills
Duration
168 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of CSS, HTML

Programming task - Level: Medium

Python | Django | Leave request application | Basic CRUD - Complete an application for managing employee leave requests using Django Framework.

Programming task - Level: Medium

JavaScript | Social Media Queries | Find potential likes - Implement a function to find books which are considered as potential likes.

Available in premium plans

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SENIOR
Tested skills
Duration
56 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of Mongo, MongoDB

Task - Level: Hard

SQL | Fill sparse table - Write a query that will return the list of all users with the creation date and return the date from the previous not-null row for the entries affected with the bug.

Available in premium plans

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Python
JUNIOR
Tested skills
Duration
49 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of Machine Learning

Programming task - Level: Easy

Python | DNA Analyzer - Implement a method in Python that generates DNA statistical report.

Available in premium plans

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JUNIOR
Tested skills
Duration
27 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL, MongoDB, NoSQL

Code gaps

assessing knowledge of MongoDB, SQL

Task - Level: Easy

SQL | Stamps catalogue | CASE statement - Make a select statement, by which you will divide your stamps collection into 3 groups.

Available in premium plans

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Python
JUNIOR
Tested skills
Duration
65 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of CSS, HTML

Programming task - Level: Easy

Python | Django | Currency Exchange Service - Finish implementation of Django application for currency exchange by modyfing CBV views and completing service logic.

Programming task - Level: Easy

JavaScript | Orders analyzer | Find an average ordered quantity for every weekday - Implement a method that will analyze orders dataset and return a map with average ordered quantity of a product for every weekday.

Available in premium plans

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MIDDLE
Tested skills
Duration
80 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of *SQL

Programming task - Level: Medium

Python | NumPy | Aircraft measurement data processing - Complete data processing application that aggregates and compresses data streams using NumPy, Python and Data Analysis.

Available in premium plans

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JUNIOR
Tested skills
Duration
54 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of SQL

Programming task - Level: Easy

Python | DNA Analyzer - Implement a method in Python that generates DNA statistical report.

Available in premium plans

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SENIOR
Tested skills
Duration
100 minutes max.
Evaluation
Automatic
Test overview

Choice questions

assessing knowledge of iOS, Swift, Android, C, Kotlin, Java

Programming task - Level: Hard

iOS | Swift | Conference App Senior - Implement a network service that is used to interact with the server.

Programming task - Level: Hard

Android | Async call from native to Java via JNI - Provide the missing JNI part of the native-Java communication combo that fulfills the certain requirements.

Available in premium plans

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